An 18th-century open-air astronomical observatory built by Maharaja Jai Singh II, and one of five he built across north India. Nineteen large instruments of stone and brass — including the world's largest sundial (27 metres), accurate to 2 seconds. UNESCO World Heritage. Take a guide or the audio tour to make sense of what you're looking at.
Jantar Mantar
18th-century open-air observatory with world's largest sundial
| Address | Gangori Bazaar, J.D.A. Market, Pink City, Jaipur |
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| Opening Hours | 9:00-16:30 daily |